Description:A raft of injuries and an opening defeat have ensured United States coach Jurgen Klinsmann is already under pressure ahead of their World Cup qualifying match against CONCACAF rivals Costa Rica on Friday. Defeat to Honduras last month in the opening game of the six-team final qualifying stage from the North and Central American and Caribbean region, set alarm bells ringing for the U.S. who have not missed a World Cup finals since 1986.(1:47)